package com.atguigu.gulimall.product.exception;
import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import java.util.HashMap;
import java.util.Map;

@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")
public class GulimallExceptionAdvice {
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handlerValidException(MethodArgumentNotValidException e){
        System.out.println("捕获到数据校验错误异常");
        BindingResult result = e.getBindingResult();
        Map<String,String> map = new HashMap<>();
        result.getFieldErrors().forEach((item)->{
            map.put(item.getField(),item.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(),BizCodeEnum.VALID_EXCEPTION.getMessage()).put("data",map);
    }
    @ExceptionHandler(value = Throwable.class)
    public R handlerException(Throwable throwable){
        log.error("错误",throwable);
        return R.error(BizCodeEnum.UNKNOW_EXCEPTION.getCode(),BizCodeEnum.UNKNOW_EXCEPTION.getMessage());
    }
}
